blob: 7cf4db156af7f106b7f8cd9fa734f84f547bc7e0 [file] [log] [blame]
// Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
/// @assertion Codec<S, R> fuse<R>(Codec<T, R> other)
/// Fuses this with other.
/// When encoding, the resulting codec encodes with this before encoding with
/// other.
/// When decoding, the resulting codec decodes with other before decoding with
/// this.
/// @description Checks that encoding with the resulting converter is equivalent
/// to converting with this before converting with other.
/// @author
import "dart:convert";
import "../../../Utils/expect.dart";
check(Codec codec, String toEncode) {
Expect.equals(toEncode, codec.decode(toEncode));
Expect.equals(toEncode, codec.encode(toEncode));
main() {
AsciiCodec codec = new AsciiCodec();
Codec<List<int>, dynamic> inverted = codec.inverted;
Codec<String, dynamic> fused = codec.fuse(inverted);
check(fused, r"Some string 123 !@#$%^&*()_+|");
check(fused, "");
Expect.throws(() { check(fused, "Non-ASCII: Кириллица"); });